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Choi, Kyoung Jin
Energy Conversion Materials (EcoMAT) Lab
Research Interests
  • Solar cells, thermoelectrics, piezoelectric

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Epitaxial directional growth of tin oxide (101) nanowires on titania (101) substrate

Cited 10 times inthomson ciCited 11 times inthomson ci
Title
Epitaxial directional growth of tin oxide (101) nanowires on titania (101) substrate
Author
Kim, Won-SikKim, DaihongChoi, Kyoung JinPark, Jae-GwanHong, Seong-Hyeon
Keywords
Directional growth; Dye-Sensitized solar cell; Electronic device; Epitaxially grown; Gas sensors; Growth directions; Heteroepitaxial relationships; Inclination angles; Interface structures; Li-ion batteries; Lift-Out techniques; Orientation relationship; TEM; Tetragonal crystal structure; TiO; Titania; Vapor-liquid-solid growth; Well-aligned; X ray pole figures
Issue Date
2010-12
Publisher
AMER CHEMICAL SOC
Citation
CRYSTAL GROWTH & DESIGN, v.10, no.11, pp.4746 - 4751
Abstract
Highly aligned single crystal SnO(2) (101) nanowires were epitaxially grown on TiO(2), (101) substrates by thermal evaporation via Au-catalyzed vapor-liquid-solid (VLS) growth. The orientation relationship and interface structure between the nanowires and the substrate were determined by X-ray pole figure and high resolution transmission electron microscopy (HR-TEM) combined with the focused ion beam (FIB) lift-out technique. Epitaxially grown SnO(2) (101) nanowires exhibited three angular growth directions ([101], [011], and [011]) with different inclination angles to the substrate due to a tetragonal crystal structure. An atomic stacking model was proposed to describe the angular growth of SnO2 (101) nanowires with (101) growth directions. The obtained results arc expected to provide an understanding or the growth direction of nanowires and heteroepitaxial relationships between nanowires and substrate to synthesize the well-aligned SnO2 nanowires. which can be integrated into the electronic devices and lead to enhanced properties in the fields such its Li-ion batteries, dye-sensitized solar cells, and gas sensors.
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DOI
10.1021/cg1000573a
ISSN
1528-7483
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MSE_Journal Papers
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